Arch Linux

Wu

Member

Registered: 2009-12-27

Posts: 80

[solved] suddenly no internet connection.

After restarting I have no internet connection. In my last session I did not install anything except hfsprogs (now removed). Pinging google gives an unknown host. I can only connecti via WiFi, no cable. The WiFi works fine with other machines.

What should I check? I have no idea...

Last edited by Wu (2015-05-09 11:23:31)

Wilco

Member

Registered: 2008-11-09

Posts: 440

Re: [solved] suddenly no internet connection.

Good chance your /etc/resolve.conf is empty. You can add the following line to /etc/resolv.conf using your favorite editor:
nameserver 8.8.8.8

If it's not empty post the output of "ip addr"

Head_on_a_Stick

Member

From: London

Registered: 2014-02-20

Posts: 7,732

Website

Re: [solved] suddenly no internet connection.

How do you usually connect to the internet?

---

Are you infected with Wetiko?

Wu

Member

Registered: 2009-12-27

Posts: 80

Re: [solved] suddenly no internet connection.

@Wilco

that was it, solved. Out of curiosity, why did this happen?

Wilco

Member

Registered: 2008-11-09

Posts: 440

Re: [solved] suddenly no internet connection.

@Wu it's because you probably used dhcp before. It get's the nameservers from the router and if you don't use dhcp after rebooting your resolv.conf remains empty. You can still use the network but without a resolv.conf file name resolving does not work, i.e. your system does not know how to map google.com to its IP address.